Which one of the following drugs is used in the treatment of male impotence and activates prostaglandin E1 receptors? (a) Alprostadil (b) Fluoxetine (c) Mifepristone (d) Sildenafil (e) Zafirlukast

1 Answer

Answer :

Ans: A

Related questions

Description : A 55-year-old patient currently receiving other drugs for another condition is to be started on diuretic therapy for mild heart failure. Thiazides are known to reduce the excretion of (a) Diazepam (b) Fluoxetine (c) Imipramine (d) Lithium (e) Potassium

Last Answer : Ans: D

Description : Which of the following prostaglandin analogs is used specifically for the treatment of NSAID induced gastrointestinal ulcertation? (a) Alprostadil (b) Misoprostol (c) Carboprost (d) Dinoprostone (e) Epoprostenol

Last Answer : Ans: B

Description : Which of the following drugs is a class IV antiarrhythmic that is primarily indicated for the treatment of supraventricular tachyarrhythmias? (a) Lbutilide (b) Mexiletine (c) Diltiazem (d) Quinidine (e) Propranolol

Last Answer : Ans: C

Description : Select the drug which is administered orally for erectile dysfunction in men: A. Yohimbine B. Papaverine C. Alprostadil D. Sildenafil

Last Answer : D. Sildenafil

Description : Select the drug which is administered orally for erectile dysfunction in men: A. Yohimbine B. Papaverine C. Alprostadil D. Sildenafil

Last Answer : D. Sildenafil

Description : The mechanism of action of cyclosporine involves (a) Activation of calcineurin (b) Binding to cyclophilin to cause inhibition of a cytoplasmic phosphatase (c) Blockade of interleukin – 2- receptors (d) Inhibition of phospholipase A2 (e) Suppression of bone marrow progenitors

Last Answer : Ans: B

Description : Select the drug which can markedly potentiate the vasodilator action of organic nitrates: A. Propranolol B. Fluoxetine C. Hydrochlorothiazide D. Sildenafil

Last Answer : D. Sildenafil

Description : Because of proven beneficial effects on “cardiac remodeling”, these agents are now indicated as first line therapy in CHF patients. Which of the following is representative of this group of drugs? (a) Hydrochlorothiazide (b) Enalapril (c) Furosemide (d) Carvedilol (e) Bumetanide

Last Answer : Ans: B

Description : Which of the following combinations of drugs, when used together, reduce both preload and afterload? (a) Nitroglycerin and isosorbide dinitrate (b) Hydralazine and isosorbide dinitrate (c) Captopril and methyldopa (d) Prazosin and angiotension II (e) Hydralazine and methyldopa

Last Answer : Ans: B

Description : Which one of the following drugs predictably prolongs the PR interval and increases cardiac contractility? (a) Digoxin (b) Lidocaine (c) Propranolol (d) Quinidine (e) Verapamil

Last Answer : Ans: A

Description : Drugs used in asthma that often cause tachycardia and tremor include (a) Beclomethasone (b) Cromolyn sodium (c) Ipratropium (d) Metaproterenol (e) All of the above

Last Answer : Ans: D

Description : Methylxanthine drugs such as aminophylline cause which one of the following? (a) Vasoconstriction in many vascular beds (b) Decrease in the amount of cAMP in mast cells (c) Bronchodilation (d) Activation of the enzyme phosphodiesterase (e) Sedation

Last Answer : Ans: C

Description : Which one of the following drugs increase digoxin plasma concentration by a pharmacokinetic mechanism? (a) Captopril (b) Hydrochorothiazide (c) Lidocaine (d) Quinidine (e) Sulfasalazine

Last Answer : Ans: D

Description : If the patient has a history of gout, which of the following drugs is most likely to exacerbate this condition? (a) Colestipol (b) Gemfibrozil (c) Lovastatin (d) Niacin (e) Simvastatin

Last Answer : Ans: D

Description : Which of the following drugs is believed to improve microcirculation in peripheral vascular diseases by promoting RBC flexibility ? (a) Cyclandelate (b) Theophyline (c) Pentoxiphyline (d) Nicotinic acid

Last Answer : Ans: C

Description : Which of the following drugs is a potassium channel opener ? (a) Pinacidil (b) Hydralazine (c) Glibenclamide (d) Amiloride

Last Answer : Ans: A

Description : Which of the following antianginal drugs is most likely to produce tachycardia as a side effect ? (a) Amlodipine (b) Nifedipine (c) Diltiazem (d) Verapamil

Last Answer : Ans: B

Description : Which of the following drugs is most likely to accentuate varient (Prinzmetal) angina ? (a) Digoxin (b) Furosemide (c) Enalapril (d) Amrinone

Last Answer : Ans: A

Description : Antianginal drugs afford the following benefit/benefits (a) Terminate anginal attacks (b) Decrease the frequency of anginal attacks (c) Retard the progression of coronary artery disease (d) Both (a) and (b)

Last Answer : Ans: D

Description : Which of the following drugs is preferred for termination of paroxysmal supraventricular tachycardia (a) Digoxin (b) Quinidine (c) Propranolol (d) Verapamil

Last Answer : Ans: D

Description : Which of the following drugs is a class III antiarrhythmic agent that is effective in the acute management of atrial fibrillation or atrial flutter of recent onset ? (a) Bretylium (b) Lbutilide (c) Metoprolol (d) Disopyramide

Last Answer : Ans: B

Description : Following drugs act on imidazoline receptor (a) Moxonidine (b) Dexmedetomidine (c) Tizanidine (d) All of the above

Last Answer : Ans: A

Description : In the treatment of parkinsonism, bromocriptine differs from levodopa in the following respects except: A. It does not need conversion to an active metabolite B. It has a longer duration of ... with little/antagonistic action on D1 receptors D. It does not produce behavioral/psychiatric side effect

Last Answer : D. It does not produce behavioral/psychiatric side effects

Description : In case of acute pain of angina pectoris the most effective treatment would be to administer (a) Mannitol hexanitrate (b) Erythrityl tetranitrate (c) Sodium nitrate (d) Pentaerythritol tetranitrate (e) Nitroglycerin

Last Answer : Ans: E

Description : A treatment of angina that consistently decreases the heart rate and can prevent vasospastic angina attacks is (a) Isosorbide dinitrate (b) NIFedipine (c) Nitroglycerin (d) Propranolol (e) Verapamil

Last Answer : Ans: E

Description : After being counseled about lifestyle and dietary changes, the patient was started on atorvastatin. During his treatment with atorvastatin, it is important to routinely monitor serum concentrations of (a) ... Alanine and aspartate aminotransferase (c) Platelets (d) Red blood cells (e) Uric acid

Last Answer : Ans: D

Description : If a fibrinolytic drug is used for treatment of acute myocardial infarction, the adverse drug effect that is most likely to occur is (a) Acute renal failure (b) Development of antiplatelet antibodies (c) Encephalitis secondary to liver dysfunction (d) Hemorrhagic stroke (e) Neutropenia

Last Answer : Ans: D

Description : Adenylate cyclase is activated by (A) Insulin (B) Glucagon (C) Prostaglandin E1 (D) Ca2+ ions

Last Answer : Answer : B

Description : Which one of the following statements about dextromethorphan is accurate? (a) Activates kappa receptors (b) Analgesia equivalent to pentazocine (c) Highly effective antiemetic (d) Less constipation than codeine (e) Use requires a prescription

Last Answer : Ans: D

Description : Which of the following drugs is an antiprogestin: A. Gemeprost B. Megestrol C. Mifepristone D. Tamoxifen

Last Answer : C. Mifepristone

Description : Binding of thyroxine to its receptors (A) Activates Adenylate cyclase (B) Activates guanylate cyclase (C) Activates a stimulatory G-protein (D) Increases transcription

Last Answer : Answer : D

Description : Tolerance to nitroglycerin may be overcome by (a) Initially using the largest safe dose of the drug (b) Using other nitrites (c) Temporarily discontinuing the drug for one or two weeks (d) Use of higher doses (e) None of the above

Last Answer : Ans: C

Description : The chief use of levoarterenol is to treat (a) Shock (b) Diabetes (c) Hypertension (d) Cardiac arrhythmias (e) Iron deficiencies

Last Answer : Ans: A

Description : Which of the following is used to lower blood lipid levels? (a) Trimethadione (b) Clofibrate (c) Flucytosine (d) Coumarin (e) Propranolol

Last Answer : Ans: B

Description : The action of digitalis is enhanced by (a) Sodium (b) Calcium (c) Magnesium (d) Potassium (e) Chloride

Last Answer : Ans: B

Description : Overuse of digitalis may result in (a) Habituation (b) Tolerance (c) Addiction (d) Physical dependence (e) Cummulative poisoning

Last Answer : Ans: E

Description : The action of quinidine differs from that of digitalis in (a) Decreasing irritability of cardiac muscle (b) Preventing passage of impulses to the ventricle (c) Increasing irritability of heart muscle (d) Reducing conductivity (e) None of the above

Last Answer : Ans: A

Description : Acute renal failure (ARF) may be caused by all of the following except (a) Acute tubular necrosis (ATN) due to drug therapy (e.g., aminoglycosides, contrast media) (b) Severe hypotension ... (c) Decreased cardiac output, as from congestive heart failure (d) Hemolysis, myoglobinuria (e) Hyperkalemia

Last Answer : Ans: E

Description : Unfractionated heparin binds to antithrombin III and inactivates clotting factor(s) (a) Xa (b) Ixa (c) Iia (d) All of the above (e) None of the above

Last Answer : Ans: D

Description : For treating the patient with congestive heart failure (CHF), which of the following dosages of dopamine is selected for its positive inotropic effects? (a) 2.0 mg/kg/min (b) 5–10 mg/kg/min (c) 10–20 mg/kg/min (d) 40 mg/kg/min (e) 40 mg/kg/min

Last Answer : Ans: B

Description : When digoxin is used in a patient with congestive heart failure (CHF), it works by exerting a positive effect on (a) Stroke volume (b) Total peripheral resistance (c) Heart rate (d) Blood pressure (e) Venous return

Last Answer : Ans: A

Description : Which of the following agents has a direct effect on the AV mode, delaying calciumchannel depolarization? (a) Lidocaine (b) Diltiazem (c) Bretylium (d) Quinidine (e) Lbutilide

Last Answer : Ans: B

Description : A patient receiving a class I antiarrhythmic agent on a chronic basis complains of fatigue, low-grade fever, and joint pain suggestive of systemic lupus erythematosus (SLE). The patient is most likely receiving (a) Lidocaine (b) Procainamide (c) Quinidine (d) Flecainide (e) Propranolol

Last Answer : Ans: B

Description : Strong anticholinergic effects limit the antiarrhythmic use of (a) Quinidine (b) Procainamide (c) Tocainide (d) Flecainide (e) Disopyramide

Last Answer : Ans: E

Description : Maximal medical therapy for treating angina pectoris is represented by which of the following choices? (a) Diltiazem, verapamil, nitroglycerin (b) Atenolol, isoproterenol, diltiazem (c) Verapamil, nifedipine, propranolol (d) Isosorbide, atenolol, diltiazem (e) Nitroglycerin, isosorbide, atenolol

Last Answer : Ans: D

Description : Which of the following agents used in prinzmetal’s angina has spasmolytic actions, which increase coronary blood supply? (a) Nitroglycerin (b) Nifedipine (c) Timolol (d) Isosorbide mononitrate (e) Propranolol

Last Answer : Ans: B

Description : Myocardial oxygen demand is increased by all of the following factors except (a) Exercise (b) Smoking (c) Cold temperatures (d) Isoproterenol (e) Propranolol

Last Answer : Ans: E

Description : Exertion–induced angina, which is relieved by rest, nitroglycerin, or both, is referred to as (a) Prinzmetal’s angina (b) Unstable angina (c) Classic angina (d) Variant angina (e) Preinfarction angina

Last Answer : Ans: C

Description : Which of the following cyclotron produced radiopharmaceuticals is used for assessing regional myocardial perfusion as part of an exercise stress test? (a) Thallous chloride 201TI USP (b) Sodium iodide 123I (c) Gallium citrate 67Ga USP (d) Indium 111In pentetate (e) Cobalt 57Co cyanocobalamin

Last Answer : Ans: A